Pentamera fonsecae n. sp. a new species of sea cucumber from the Pacific coast of Costa Rica (Holothuroidea: Dendrochirotida: Thyonidae)

Zootaxa ◽  
2020 ◽  
Vol 4878 (3) ◽  
pp. 581-588
Author(s):  
FRANCISCO ALONSO SOLIS-MARIN ◽  
JUAN JOSE ALVARADO ◽  
CARLOS ANDRES CONEJEROS-VARGAS ◽  
ANDREA ALEJANDRA CABALLERO-OCHOA
Keyword(s):  
New Species ◽  
Costa Rica ◽  
Sea Cucumber ◽  
Body Wall ◽  
Pacific Coast ◽  
The Body ◽  
The Pacific ◽  
A New Species ◽  
Tube Feet

Pentamera fonsecae n. sp. is described from seven specimens as a new species of Thyonidae from the Pacific coast of Costa Rica. It is distinguished from its congeners by having tables with ladder-shaped spires in the body wall, and tube feet with curved support tables of variable height and tables as those found in the body wall slightly smaller than those from the body wall. This species is distributed in Guanacaste, Costa Rica, from 28.5 to 40 m on muddy bottoms.

Holothuria (Selenkothuria) carere, a new species of sea cucumber (Echinodermata: Holothuroidea) from the Mexican Pacific

Zootaxa ◽  
2011 ◽  
Vol 2922 (1) ◽  
Author(s):  
MAGALI HONEY-ESCANDÓN ◽  
FRANCISCO A. SOLÍS-MARÍN ◽  
ALFREDO LAGUARDA-FIGUERAS
Keyword(s):  
New Species ◽  
Sea Cucumber ◽  
Body Wall ◽  
The Body ◽  
Mexican Pacific ◽  
Anal Papillae ◽  
A New Species ◽  
Tube Feet

A new species of sea cucumber of the subgenus Selenkothuria Deichmann, 1958 is described. Holothuria (Selenkothuria) carere n. sp. was found in the Mexican Pacific, from intertidal to 6 m depth. The absences of ossicles in the body wall, as well as in the dorsal and ventral tube feet make this species unique among the species of this subgenus. Smooth straight rods with distal perforations and projections are present only in the dorsal and anal papillae, papillae at the base of the tentacles and in the tentacles. This species is distinctive within the subgenus. The shape of the ossicles shows some similarities with H. (S.) glaberrima Selenka, 1867.

Thandarum hernandezi, a new genus and new species of sea cucumber family Sclerodactylidae (Echinodermata: Holothuroidea: Dendrochirotida) from the Southwestern Atlantic Ocean

Zootaxa ◽  
2012 ◽  
Vol 3304 (1) ◽  
pp. 63 ◽  
Author(s):  
MARIANO I. MARTINEZ ◽  
MARTÍN I. BROGGER
Keyword(s):  
New Species ◽  
Sea Cucumber ◽  
Body Wall ◽  
New Genus ◽  
The Body ◽  
Southwestern Atlantic ◽  
Double Row ◽  
Southwestern Atlantic Ocean ◽  
A New Species ◽  
Tube Feet

A new genus and a new species of dendrochirotid, Thandarum hernandezi gen. et sp. nov., is described from Buenos Airescoast in the Southwestern Atlantic. For this species is quite significant the body U shape, up to 14.08 mm (along thetrivium), with double row of podia restricted to the ambulacra. Other features are ossicles from body wall with buttonsand 4 pillar tables, tube feet with rods and end plate star-shaped; the introvert with rosettes and tentacles with rods. Thesecharacteristics require the recognition of a new genus, and the new species and represents the first sclerodactylid reported in Argentinean waters.

scholarly journals A new species of Leptogorgia (Cnidaria: Anthozoa: Octocorallia) from Golfo Dulce, Pacific, Costa Rica

Zootaxa ◽  
2012 ◽  
Vol 3182 (1) ◽  
pp. 65 ◽  
Author(s):  
ODALISCA BREEDY ◽  
HECTOR M. GUZMAN
Keyword(s):  
New Species ◽  
Costa Rica ◽  
Pacific Coast ◽  
Single Species ◽  
San Jose ◽  
Ongoing Research ◽  
Deep Waters ◽  
The Pacific ◽  
The Pacific Ocean ◽  
A New Species

The description of this single species is necessary to facilitate the publication of ongoing research conducted by Rita Vargas at the Museum of Zoology, University of Costa Rica, dealing with the associated microfauna. Presently 24 species of Leptogorgia have been reported for the eastern Pacific, 13 of which have been found in Costa Rica (Breedy & Cortés 2011). Although octocoral surveys have been conducted as part of biodiversity studies, there is no published information regarding the occurrence of this taxon in Golfo Dulce. Here we describe a new species of Leptogorgia and compare it with other Leptogorgia species with similar characteristics. Golfo Dulce is a bay located on the southern Pacific coast of Costa Rica. It is about 50 km long, 10–15 km wide, and covers an area of approximately 680 km². The inner part of Golfo Dulce has a maximum depth of slightly over 200 m with a 60 m deep sill at the opening to the Pacific Ocean (Cortés 1999). It has been considered a tropical fjord because of the bathymetry and the presence of anoxic deep waters (Cortés 1999, Svendsen et al. 2006). Specimens were collected by Scuba diving, preserved in 70% ethanol or air dried, and treated and identified following the current methodology (Breedy & Guzman 2002). The holotype and paratypes are deposited in the Museo de Zoología, Universidad de Costa Rica (MZUCR, formerly UCR), San José, P.O. Box 11501-2060, Costa Rica.

Description of a new species of Pagurus Fabricius, 1775 (Crustacea: Paguroidea: Paguridae) from the Pacific coast of Costa Rica, Central America, with notes on Pagurus albus (Benedict, 1892)

Zootaxa ◽  
2019 ◽  
Vol 4712 (1) ◽  
pp. 101-113
Author(s):  
MANUEL AYÓN-PARENTE ◽  
INGO S. WEHRTMANN
Keyword(s):  
New Species ◽  
Costa Rica ◽  
Central America ◽  
Pacific Coast ◽  
Antennal Segment ◽  
Distal Margin ◽  
Eastern Tropical Pacific ◽  
The Pacific ◽  
The Right ◽  
A New Species

A redescription of Pagurus albus (Benedict, 1892) is presented together with a description of a new species of hermit crab, Pagurus pseudoalbus sp. n., from the Pacific coast of Costa Rica. Pagurus pseudoalbus sp. n. differs from P. albus and P. perlatus by the length of antennal acicles, which do not exceed the distal margin of the 4th antennal segment, whereas in the latter two species, the antennal acicles exceed the 4th antennal segment; the antennular peduncle is proportionally longer than the ocular peduncle in the new species compared to P. perlatus, but shorter than in P. albus; the palm of the right cheliped in P. pseudoalbus sp. n. is 1.3 times as long as broad, while in P. albus and P. perlatus it is 1.0 and 1.4 times as long as broad, respectively. Including the new species, the genus Pagurus in the Eastern Tropical Pacific currently includes 16 species. 

scholarly journals Hidden in plain sight: a new species of Pleurothallis (Orchidaceae: Pleurothallidinae) from Colombia previously misidentified as Pleurothallis luctuosa

Lankesteriana ◽  
2019 ◽  
Author(s):  
Mark Wilson ◽  
Kehan Zhao ◽  
Hailey Hampson ◽  
Matt Chang ◽  
Guillermo A. Reina-Rodríguez ◽  
...  
Keyword(s):  
New Species ◽  
Costa Rica ◽  
Key Words ◽  
Cryptic Species ◽  
Internal Transcribed Spacer ◽  
Pacific Coast ◽  
Colombian Andes ◽  
Pollination Mechanisms ◽  
The Pacific ◽  
A New Species

Pleurothallis tenuisepala, a new species in subsection Acroniae, is described and compared to Pleurothallis luctuosa with which it has previously been confused. While the two species are superficially similar, they can be very easily distinguished by the size of the flowers, which are approximately 60 mm long in P. tenuisepala versus approximately 29 mm long in P. luctuosa, or the length of the sepals, which are approximately four-times the length of the petals in P. tenuisepala versus less than twice the length of the petals in P. luctuosa. The two species can also be discriminated by their nuclear internal transcribed spacer (nrITS) sequences. Pleurothallis tenuisepala occurs on Isla Gorgona off the Pacific coast of Colombia and on the western slopes of the Cordillera Occidental of the Colombian Andes, while P. luctuosa is restricted to the Cordillera de Tilarán of Costa Rica. Labellar micromorphology of both species is discussed in relation to possible pollination mechanisms. Key words: Acroniae, cryptic species, labellum, morphology, taxonomy

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